812790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{821}}^1$

素因数の和:845

約数の個数: 48

約数和(自身を含む): 2308176

約数和(自身を除く): 1495386

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 821, 990, 1642, 2463, 4105, 4926, 7389, 8210, 9031, 12315, 14778, 18062, 24630, 27093, 36945, 45155, 54186, 73890, 81279, 90310, 135465, 162558, 270930, 406395, 812790]

約数ペア:

[(1, 812790), (2, 406395), (3, 270930), (5, 162558), (6, 135465), (9, 90310), (10, 81279), (11, 73890), (15, 54186), (18, 45155), (22, 36945), (30, 27093), (33, 24630), (45, 18062), (55, 14778), (66, 12315), (90, 9031), (99, 8210), (110, 7389), (165, 4926), (198, 4105), (330, 2463), (495, 1642), (821, 990)]